YMCA CPR Training Practice Test 2026 - Free CPR Certification Practice Questions and Study Guide

When an Automated External Defibrillator (AED) advises a shock after analyzing a cardiac arrest patient, the primary action to take is to ensure that everyone in the vicinity is clear of the patient and then deliver the shock. This is critical because the AED's shock is intended to reset the heart's electrical activity in order to restore a normal rhythm. If anyone is touching the patient or is in contact with the AED during the shock, they could be harmed by the electrical discharge.

Before delivering the shock, the rescuer should loudly announce or use a visual signal such as raising their hands to confirm that everyone is a safe distance away. Once this has been accomplished, the shock can be safely delivered. This immediate action is vital when dealing with a cardiac arrest situation, as timely defibrillation can significantly improve the survival chances of the patient.